- EMDB-24793: Structure of DNA polymerase zeta with mismatched DNA -
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基本情報
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データベース: EMDB / ID: EMD-24793
タイトル
Structure of DNA polymerase zeta with mismatched DNA
マップデータ
試料
複合体: Structure of DNA complex
タンパク質・ペプチド: DNA polymerase zeta catalytic subunit
タンパク質・ペプチド: DNA polymerase zeta processivity subunit
タンパク質・ペプチド: DNA polymerase delta small subunit
タンパク質・ペプチド: DNA polymerase delta subunit 3
DNA: DNA (30-MER)
リガンド: IRON/SULFUR CLUSTER鉄・硫黄クラスター
リガンド: CALCIUM IONカルシウム
リガンド: 2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE
リガンド: water水
キーワード
DNA repair (DNA修復) / DNA replication (DNA複製) / translesion DNA synthesis (DNA修復) / DNA polymerase (DNAポリメラーゼ) / DNA BINDING PROTEIN-DNA complex
機能・相同性
機能・相同性情報
delta DNA polymerase complex / DNA amplification / zeta DNA polymerase complex / RNA-templated DNA biosynthetic process / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / DNA replication, removal of RNA primer / double-strand break repair via break-induced replication / lagging strand elongation ...delta DNA polymerase complex / DNA amplification / zeta DNA polymerase complex / RNA-templated DNA biosynthetic process / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / DNA replication, removal of RNA primer / double-strand break repair via break-induced replication / lagging strand elongation / DNA strand elongation involved in DNA replication / DNA metabolic process / error-free translesion synthesis / leading strand elongation / error-prone translesion synthesis / nucleotide-excision repair / double-strand break repair via homologous recombination / 塩基除去修復 / 4 iron, 4 sulfur cluster binding / DNA複製 / DNAポリメラーゼ / DNA-directed DNA polymerase activity / nucleotide binding / クロマチン / ミトコンドリア / DNA binding / metal ion binding / 細胞核 類似検索 - 分子機能
DNA polymerase delta subunit, OB-fold domain / DNA polymerase delta subunit 2, C-terminal domain / DNA polymerase delta subunit OB-fold domain / DNA polymerase zeta catalytic subunit / DNA polymerase delta/II small subunit family / C4-type zinc-finger of DNA polymerase delta / C4-type zinc-finger of DNA polymerase delta / Mad2-like / HORMA domain / HORMA domain ...DNA polymerase delta subunit, OB-fold domain / DNA polymerase delta subunit 2, C-terminal domain / DNA polymerase delta subunit OB-fold domain / DNA polymerase zeta catalytic subunit / DNA polymerase delta/II small subunit family / C4-type zinc-finger of DNA polymerase delta / C4-type zinc-finger of DNA polymerase delta / Mad2-like / HORMA domain / HORMA domain / HORMA domain profile. / HORMA domain superfamily / DNA polymerase alpha/delta/epsilon, subunit B / DNA polymerase alpha/epsilon subunit B / DNA polymerase family B, thumb domain / DNA polymerase family B signature. / DNA-directed DNA polymerase, family B, conserved site / DNA polymerase family B / DNA polymerase family B, exonuclease domain / DNA-directed DNA polymerase, family B, exonuclease domain / DNA-directed DNA polymerase, family B, multifunctional domain / DNA polymerase, palm domain superfamily / DNA polymerase type-B family / DNA-directed DNA polymerase, family B / Ribonuclease H superfamily / Ribonuclease H-like superfamily / DNA/RNA polymerase superfamily 類似検索 - ドメイン・相同性
POL31 isoform 1 / DNA polymerase zeta catalytic subunit / DNA polymerase zeta processivity subunit / DNA polymerase delta subunit 3 類似検索 - 構成要素
National Institutes of Health/National Cancer Institute (NIH/NCI)
R01-GM124047
米国
引用
ジャーナル: Nat Commun / 年: 2022 タイトル: Cryo-EM structure of translesion DNA synthesis polymerase ζ with a base pair mismatch. 著者: Radhika Malik / Robert E Johnson / Louise Prakash / Satya Prakash / Iban Ubarretxena-Belandia / Aneel K Aggarwal / 要旨: The B-family multi-subunit DNA polymerase ζ (Polζ) is important for translesion DNA synthesis (TLS) during replication, due to its ability to extend synthesis past nucleotides opposite DNA lesions ...The B-family multi-subunit DNA polymerase ζ (Polζ) is important for translesion DNA synthesis (TLS) during replication, due to its ability to extend synthesis past nucleotides opposite DNA lesions and mismatched base pairs. We present a cryo-EM structure of Saccharomyces cerevisiae Polζ with an A:C mismatch at the primer terminus. The structure shows how the Polζ active site responds to the mismatched duplex DNA distortion, including the loosening of key protein-DNA interactions and a fingers domain in an "open" conformation, while the incoming dCTP is still able to bind for the extension reaction. The structure of the mismatched DNA-Polζ ternary complex reveals insights into mechanisms that either stall or favor continued DNA synthesis in eukaryotes.